电子课程设计--lm温度指示器

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1、电子课程设计课题：LM324温度指示器学院：测试与光电工程学院课题名称：LM324温度指示器课题要求：1．要独立完成设计任务，通过课程设计，锻炼自己综合运用所学知识的能力，并初步掌握电子技术设计的方法和步骤。2．熟悉电子线路Protel99软件及电子线路仿真Proteus软件的使用方法。3．学会查阅资料和手册，学会选用各种电子元器件。4．掌握常用的电子仪器仪表使用，如直流稳压电源、直流电压、电流表、信号源、示波器等。5．学会掌握安装电子线路的基本技能和调试方法，善于在调试中发现问题和解决问题。6．能够写出完整的课程设计总结报告。课题进程：l题目的选择及思路的确定

2、1周l电路的分析及仿真1周l电路的焊接及调试1周指导教师：金信鸿时间：2014年6月13日LM324温度指示器学生姓名：李中浩班级：11081316指导老师：金信鸿摘要:当今社会各种家用电器种类繁多，可谓琳琅满目，各个电器系统组成也变的复杂且紧凑，无论电路简单与复杂，重要与否，它们都起到了不可替代的作用。我们日常生活中见到的冰箱、电饭煲以及电磁炉等等都是由很多基本的小单元组成，然而温度指示电路也成了其中很常见也必不可少的单元组件。本电路是利用低功耗四运算放大器LM324设计的温度指示电路，利用所学过的模拟电子技术基础知识结合proteus仿真分析。此电路具有放大

3、功能，低功耗特点，机构简单，设计灵巧，适合一些家用电器的指示电路。电路中有一个负温度系数热敏电阻，电阻所受温度升高，电阻阻值下降。此电路中起始温度为室温，温度每上升10℃，相应的指示灯LED点亮一个，由此可以指示电器实时温度情况。关键词：LM324;温度指示器；Proteus仿真指导老师签字：目录前言····························································11、课程设计的目的和要求········································21.1课程设计的目的·········

4、····································21.2课程设计要求···············································22、工件原理简介················································22、1LM324······················································22、2热敏电阻···················································42、3发光二极管工作原

5、理··········································63、课程设计理论准备············································83.1、Proteus简介·············································83.2、Proteus功能特点·········································83.3、Proteus快捷键···········································124、电路原理图···

6、···············································135、元件清单:·····················································145.1、原理图中元件清单·······································156、仿真、手工焊PCB板并进行电路调试······························157、课程设计收获与心得············································198、致谢·······

7、·················································199、参考文献······················································20LM324温度指示器前言现代检测技术已经应用到各行各业中，而温度传感器又是其中必不可少的部分，温度传感器的应用越来越频繁，促使温度传感器的技术进步，它的种类也越来越多，不同的温度传感器拥有不同的参数，满足于不同的条件，温度测量电路广泛应用于生产生活中的各个方面，特别是在工业生产中，温度自动控制已经成为一个相当成熟的技术。我们日常生活中见到的

8、冰箱、电饭煲以及电磁炉等